Tuesday
❌ Poor conditions
Main blocker: Tide/current
MARINE REPORT / 72 HOURS
Australia · Updated Tue 21:00 (AEST) · Source: Snapshot
The skinny
Poor Data updated Tue 21:00 (AEST)Michaelmas Cay has no good model window later today. Check the three-day outlook and official beach advisories.
Poor · 0.0/10
Tue 21:00 (AEST)
No fresh data for this period.
Good · 7.0/10
Fri 13:00 (AEST)
Model estimates using Open-Meteo; not observations or safety guarantees. Check official advisories and conditions at the beach.
Score: 0.0/10
Best time: -
Main risk: Tide/Current
No useful morning window is showing yet.
No useful afternoon window is showing yet.
Good model window in the next 72 hours
Next good model window: Wed 10:00–12:00 (30% of the next 72h meets the model threshold)
Tuesday
❌ Poor conditions
Main blocker: Tide/current
Wednesday
✅ Good conditions
Main blocker: Tide/current
Thursday
✅ Good conditions
Main blocker: Tide/current
The next good model window starts at Wed 10:00 and lasts until 12:00.
Main blockers across the next 72 hours:
Drift estimate from wind, swell, current and warm water.
Low peak drift risk around Wed 10:00.
warm water supports seasonal jellyfish activity; surface drift/current is noticeable; local shoreline exposure is not mapped yet.
Sightings override the model: if you see small purple jellyfish with long trailing tentacles, treat them as sting-capable and give them space.
Next early morning high tide: Wed 05:00
Wed 05:00, Wed 17:00, Thu 06:00, Thu 18:00, Fri 07:00, Fri 18:00
Compare nearby spot forecasts for later today before choosing a beach.
Use the map to see where the compared spots sit. Open a card for the hourly forecast.
This is a location diagram, not a marine chart. Check the shore and local signs in person.
Viewing historical data
Thu 21:00 – Sun 21:00 (AEST)
Best snorkel score is 0.51 around Fri 13:00; 9 of 24 hours are good, fair, or excellent.
Score trend, higher is better. Excellent ≥ 0.72, good 0.55–0.72, fair 0.35–0.55.
Tap a chart to load just that series.
0/24 sampled hours stay at or below 0.36m (range 0.52m to 0.66m).
Wind is at or below 5.4m/s in 11/24 sampled hours (range 4.03 to 6.3m/s).
Tides range from -0.26m to 1.43m; 2 of 24 hours are in or near peak slack windows.
We score each hour from 0 to 1 using daylight and these weighted components:
| Time | Wave (m) | Wind (m/s) | Sea temp (°C) | Status |
|---|---|---|---|---|
| Thu 21:00 | 0.52 · high | 4.48 · good | 26.90 · good | Poor |
| Thu 22:00 | 0.52 · high | 4.63 · good | 26.80 · good | Poor |
| Thu 23:00 | 0.54 · high | 5.35 · good | 26.80 · good | Poor |
| Fri 00:00 | 0.56 · high | 5.37 · good | 26.70 · good | Poor |
| Fri 01:00 | 0.58 · high | 5.47 · high | 26.70 · good | Poor |
| Fri 02:00 | 0.58 · high | 5.55 · high | 26.70 · good | Poor |
| Fri 03:00 | 0.60 · high | 5.87 · high | 26.70 · good | Poor |
| Fri 04:00 | 0.60 · high | 6.29 · high | 26.70 · good | Poor |
| Fri 05:00 | 0.60 · high | 6.30 · high | 26.70 · good | Poor |
| Fri 06:00 | 0.62 · high | 5.86 · high | 26.70 · good | Poor |
| Fri 07:00 | 0.62 · high | 5.46 · high | 26.70 · good | Poor |
| Fri 08:00 | 0.60 · high | 5.64 · high | 26.70 · good | Poor |
| Fri 09:00 | 0.66 · high | 5.83 · high | 26.70 · good | Poor |
| Fri 10:00 | 0.66 · high | 5.18 · good | 26.80 · good | Fair |
| Fri 11:00 | 0.66 · high | 4.50 · good | 26.80 · good | Fair |
| Fri 12:00 | 0.64 · high | 4.16 · good | 26.90 · good | Fair |
| Fri 13:00 | 0.64 · high | 4.03 · good | 27.00 · good | Fair |
| Fri 14:00 | 0.62 · high | 4.10 · good | 27.10 · good | Fair |
| Fri 15:00 | 0.60 · high | 4.42 · good | 27.20 · good | Fair |
| Fri 16:00 | 0.58 · high | 5.19 · good | 27.20 · good | Fair |
| Fri 17:00 | 0.58 · high | 5.49 · high | 27.20 · good | Fair |
| Fri 18:00 | 0.58 · high | 5.61 · high | 27.20 · good | Fair |
| Fri 19:00 | 0.58 · high | 5.86 · high | 27.00 · good | Poor |
| Fri 20:00 | 0.58 · high | 5.97 · high | 27.00 · good | Poor |
| Fri 21:00 | 0.58 · high | 5.80 · high | 26.90 · good | Poor |
| Fri 22:00 | 0.58 · high | 5.34 · good | 26.90 · good | Poor |
| Fri 23:00 | 0.58 · high | 5.43 · high | 26.80 · good | Poor |
| Sat 00:00 | 0.56 · high | 5.09 · good | 26.80 · good | Poor |
| Sat 01:00 | 0.56 · high | 5.11 · good | 26.80 · good | Poor |
| Sat 02:00 | 0.54 · high | 4.51 · good | 26.80 · good | Poor |
| Sat 03:00 | 0.54 · high | 4.30 · good | 26.80 · good | Poor |
| Sat 04:00 | 0.52 · high | 4.22 · good | 26.80 · good | Poor |
| Sat 05:00 | 0.52 · high | 3.63 · good | 26.80 · good | Poor |
| Sat 06:00 | 0.52 · high | 3.71 · good | 26.80 · good | Poor |
| Sat 07:00 | 0.58 · high | 4.92 · good | 26.80 · good | Poor |
| Sat 08:00 | 0.58 · high | 4.54 · good | 26.90 · good | Poor |
| Sat 09:00 | 0.58 · high | 4.03 · good | 26.90 · good | Poor |
| Sat 10:00 | 0.58 · high | 3.67 · good | 27.00 · good | Good |
| Sat 11:00 | 0.58 · high | 3.42 · good | 27.10 · good | Good |
| Sat 12:00 | 0.58 · high | 3.55 · good | 27.20 · good | Fair |
| Sat 13:00 | 0.58 · high | 4.06 · good | 27.30 · good | Fair |
| Sat 14:00 | 0.58 · high | 2.73 · good | 27.40 · good | Fair |
| Sat 15:00 | 0.56 · high | 2.74 · good | 27.50 · good | Fair |
| Sat 16:00 | 0.56 · high | 3.49 · good | 27.50 · good | Fair |
| Sat 17:00 | 0.56 · high | 3.90 · good | 27.50 · good | Fair |
| Sat 18:00 | 0.54 · high | 4.17 · good | 27.50 · good | Fair |
| Sat 19:00 | 0.54 · high | 4.18 · good | 27.40 · good | Poor |
| Sat 20:00 | 0.58 · high | 5.46 · high | 27.30 · good | Poor |
| Sat 21:00 | 0.58 · high | 4.61 · good | 27.20 · good | Poor |
| Sat 22:00 | 0.58 · high | 4.94 · good | 27.20 · good | Poor |
| Sat 23:00 | 0.58 · high | 4.94 · good | 27.10 · good | Poor |
| Sun 00:00 | 0.58 · high | 4.38 · good | 27.10 · good | Poor |
| Sun 01:00 | 0.58 · high | 4.21 · good | 27.10 · good | Poor |
| Sun 02:00 | 0.58 · high | 3.00 · good | 27.00 · good | Poor |
| Sun 03:00 | 0.58 · high | 3.67 · good | 27.00 · good | Poor |
| Sun 04:00 | 0.58 · high | 3.78 · good | 27.00 · good | Poor |
| Sun 05:00 | 0.58 · high | 3.86 · good | 27.00 · good | Poor |
| Sun 06:00 | 0.58 · high | 4.06 · good | 27.10 · good | Poor |
| Sun 07:00 | 0.58 · high | 4.17 · good | 27.10 · good | Poor |
| Sun 08:00 | 0.58 · high | 4.25 · good | 27.20 · good | Poor |
| Sun 09:00 | 0.60 · high | 3.16 · good | 27.20 · good | Poor |
| Sun 10:00 | 0.60 · high | 3.15 · good | 27.30 · good | Fair |
| Sun 11:00 | 0.62 · high | 2.95 · good | 27.40 · good | Fair |
| Sun 12:00 | 0.62 · high | 3.20 · good | 27.50 · good | Fair |
| Sun 13:00 | 0.64 · high | 3.59 · good | 27.60 · good | Fair |
| Sun 14:00 | 0.64 · high | 4.04 · good | 27.70 · good | Fair |
| Sun 15:00 | 0.64 · high | 4.58 · good | 27.80 · good | Fair |
| Sun 16:00 | 0.64 · high | 4.27 · good | 27.80 · good | Fair |
| Sun 17:00 | 0.64 · high | 4.12 · good | 27.80 · good | Fair |
| Sun 18:00 | 0.66 · high | 4.30 · good | 27.70 · good | Fair |
| Sun 19:00 | 0.66 · high | 4.36 · good | 27.60 · good | Poor |
| Sun 20:00 | 0.66 · high | 4.34 · good | 27.50 · good | Poor |